Jumping back in time, Thuban was positioned as a North Star some 4,700 years ago, as early civilizations thrived in ...

A new satellite photo has revealed that the "megaberg," A23a, is beginning to break apart, spawning thousands of smaller ice ...

Skywatchers were left surprised, puzzled and awestruck by a mysterious streak of light slicing through the night sky.

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...

Meteor showers, eclipses and full moons will appear in our skies this summer. Mark your calendars with these dates, stargazers.

This week is the best time in May to view the night sky. Here's everything you can see during May's dark skies, from an upside-down bear to some of the oldest stars in the universe.

The Large Magellanic Cloud, which is visible only from the Southern Hemisphere, has been caught in the crosshairs of the ...

Time has taken on a different dimension, partly because there’s no night. The light fades between midnight and 2am, but it is ...

NASA's Perseverance rover has observed an aurora on Mars in visible light for the first time, with the sky glowing softly in green in the first viewing of an aurora from any planetary surface other ...

Mars doesn't have an organized planetary magnetic field like Earth, so auroras can appear anywhere in the sky. Now there's a ...

Starlink is intended to give humanity all sorts of benefits, but astronomers are worried about some potential consequences of ...